code: def delete(session_uuid: str):
      disk_key = DiskIndex.get(session_uuid)
      preferences_key = DiskPreferencesIndex.get(session_uuid)
  
      if disk_key:
          d: DiskModel = disk_key.load()
          DiskIndex.delete(session_uuid)
          d.delete()
  
      if preferences_key:
          dp: DiskPreferencesModel = preferences_key.load()
          DiskPreferencesIndex.delete(session_uuid)
          dp.delete()
  
imports: from typing import Dict, Any
  from fastapi import Request
  from fastapi.responses import JSONResponse
  from labml_db import Model, Index
  from labml_db.serializer.pickle import PickleSerializer
  from labml_app.logger import logger
  from labml_app.enums import COMPUTEREnums
  from ..analysis import Analysis
  from ..series import SeriesModel, Series
  from ..series_collection import SeriesCollection
  from ..preferences import Preferences
  from ..None import helper
label_desc: Use image node_id 5 for calling the DiskAnalysis obj's underlying member method code with example usage: obj.delete(session_uuid) without return types